amnesia
https://gyazo.com/fce31e4daf2e516bd48cc50b9099eab8
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noun
a
partial
or
total
loss
of
memory
:
〘医〙 記憶喪失(症), 健忘症
e.g.
they were suffering from amnesia.
DERIVATIVES
amnestic
|amˈnestik| adjective
ORIGIN
late
18th century
: from
Greek
amnēsia ‘forgetfulness’.